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Inline Limescale Filters


Our Inline Limescale Filters are an excellent solution for use with water-using appliances like washing machines and dishwashers. Using tried and tested Polyphosphate media which dissolves into the water, coating the hardness-forming molecules like Calcium and preventing them from forming limescale. The filter is designed to be refilled and comes with 3/4” BSP threaded ports, allowing for easy installation onto the water feed of your appliance (such as a washing machine).

Why Choose Our Inline Limescale Filters?

  • Softens the water feeding your appliance to prevent limescale build up
  • Cost efficient limescale prevention for washing machines and dishwashers
  • Suitable for both domestic and commercial applications
  • Can be refilled and reused numerous times

Need help with our Inline Limescale Filters? Give us a call on 01622 933 853


Excess limescale build-up can cause costly damage to appliances over time, even leading to premature breakdown if left unmanaged. Our Inline Limescale Filters are designed to be installed on the feed to your water-using appliances, protecting them against limescale. The filter is quick and easy to install and starts working immediately, with each refill lasting for up to 30,000 litres before a refill is required.

Please note that water treated with Polyphosphate can be heated up to a max temperature of 75-80°C beyond that temperature the media gradually loses its efficacy.

Key Product Information

  • Lasts approximately 30,000L between refills
  • Starts working immediately once installed
  • Softens the water feeding your appliances
  • Easy installation and maintenance
  • Refillable and reusable housing

Need help with our Inline Limescale Filters? Give us a call on 01622 933 853


Suitable For

Domestic, Home, Commercial, Light Commercial, Washing Machines, Dishwashers, Glass Washers

Product Dimensions

130mm Height, 68mm Diameter


3/4" Threaded Connections (Inlet/Outlet)

Max Hardness

500ppm CaCo3 (At 50° F)

Max Temperature

At Point Of Entry 35°C (95°F)
At Point Of Use 75-80°C (167-176°F)

Max Pressure

7 Bar (101psi)

Fast And Efficient Delivery

From As Little As £3.95 On Most Items

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